ข้อมูลสัญลักษณ์จำแนกการออกแบบผลิตภัณฑ์ระหว่างประเทศ


รหัส / code คำอธิบาย / code name Version
H03B0007000000 Generation of oscillations using active element having a negative resistance between two of its electrodes (H03B0009000000 takes precedence);; 1
H03B0007020000 with frequency-determining element comprising lumped inductance and capacitance 1
H03B0007040000 active element being vacuum tube 1
H03B0007060000 active element being semiconductor device 1
H03B0007080000 being a tunnel diode 1
H03B0007100000 active element being gas-discharge or arc-discharge tube 1
H03B0007120000 with frequency-determining element comprising distributed inductance and capacitance 1
H03B0007140000 active element being semiconductor device 1
H03B0009000000 Generation of oscillations using transit-time effects 1
H03B0009010000 using discharge tubes 1
H03B0009020000 using a retarding-field tube (using klystrons H03B0009040000) 1
H03B0009040000 using a klystron 1
H03B0009060000 using a reflex klystron 1
H03B0009080000 using a travelling-wave tube 1
H03B0009100000 using a magnetron 1